Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Did you know?
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
Did you know?
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Did you know?
Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
A Coronal Mass Ejection
The Structure of an Old Low-Mass Star
A slave market in Marrakesh, Morocco. This lithograph is from the 1800s.
GDP per Capita in the United States, 1870–2009 (Ratio Scale)